CVE-2026-35535

HIGHNVD 7.87.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 7.8 under NVD CVSS v3. EPSS exploit probability: 0.2%, top 93% of all CVEs by exploit prediction. GitHub Security Advisory enrichment pending alignment with NVD CVSS.

Triggered by: NVD CVSS baseline
Sources: epss, ghsa, nvd
7.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.2%CVSS: 7.8Exploit: None knownExposed services: Not assessed

A fix is available — apply it.

In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the mailer, is not a fatal error and can lead to privilege escalation.

CVSS v3
7.8
EG Score
7.8HIGHmedium confidence
EG Risk
35
EG Risk 35/100

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity78% × 45%
Exploitation0% × 40%
Automatability0% × 15%
EPSS PROB
0.2%
EPSS %ILE
6th
KEV
Not listed

Published

April 3, 2026

Last Modified

September 1, 2026

Advisory Details (6)

Auto-updated Jun 10, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit.
generic

SSA-253495

https://cert-portal.siemens.com/productcert/html/ssa-253495.html
genericMentions a patch (unverified)

[SECURITY] [DLA 4614-1] sudo security update

https://lists.debian.org/debian-lts-announce/2026/06/msg00003.html
generic🟡 PoC Available
https://www.qualys.com/2026/03/10/crack-armor.txt
github_commit

commit 3e474c2f2014 (sudo-project/sudo)

Fix landed in sudo-project/sudo commit 3e474c2f2014 — awaiting tagged release

https://github.com/sudo-project/sudo/commit/3e474c2f201484be83d994ae10a4e20e8c81bb69
generic

Bug #2143042 “exec_mailer: Set group as well as uid when running...” : Bugs : sudo package : Ubuntu

https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/2143042
genericMentions a patch (unverified)

#1130593 - sudo: CVE-2026-35535: exec_mailer: Set group as well as uid when running the mailer - Debian Bug report logs

https://bugs.debian.org/1130593

Vendor Advisories for CVE-2026-35535(20)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(25)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
redhatrhui5/rhua-tp-rhel9:17872412602026-08-24redhat
redhatrhcos-417.94.202606250942-02026-07-09redhat
redhatrhcos-414.92.202606231112-02026-07-01redhat
redhatrhaiis/vllm-rocm-rhel9:17823530932026-06-25redhat
redhatrhcos-415.92.202606030318-02026-06-11redhat
redhatrhcos-412.86.202605271418-02026-06-04redhat
redhatrhcos-413.92.202605271328-02026-06-04redhat
redhatrhcos-418.94.202605260517-02026-06-03redhat
redhatrhcos-416.94.202605200242-02026-05-29redhat
redhatrhcos-4.19.9.6.202605201155-02026-05-27redhat
redhatrhui5/rhua-rhel9:17797982222026-05-27redhat
redhatsudo-0:1.9.17-4.p2.el10_22026-05-19redhat
redhatsudo-0:1.9.17p2-3.el9_82026-05-19redhat
redhatsudo-0:1.9.5p2-9.el9_2.42026-05-06redhat
redhatsudo-0:1.9.5p2-1.el8_6.32026-05-06redhat
redhatsudo-0:1.9.15-8.p5.el10_0.32026-05-06redhat
redhatsudo-0:1.8.6p3-29.el6_10.82026-05-06redhat
redhatsudo-0:1.9.5p2-1.el8_8.32026-05-06redhat
redhatsudo-0:1.9.5p2-10.el9_4.32026-05-06redhat
redhatsudo-0:1.9.5p2-10.el9_6.32026-05-06redhat
redhatsudo-0:1.8.23-10.el7_9.52026-05-06redhat
redhatsudo-0:1.9.5p2-7.el9_0.62026-05-05redhat
redhatsudo-0:1.9.5p2-15.el9_72026-04-30redhat
redhatsudo-0:1.9.5p2-1.el8_10.52026-04-29redhat
redhatsudo-0:1.9.15-10.p5.el10_12026-04-27redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(4 across 4 ecosystems)
Debian:11(1)
PackageVulnerable rangeFix by version rangeDependents
sudo1.9.5p2-3, 1.9.5p2-3+deb11u1, 1.9.5p2-3+deb11u2, 1.9.5p2-3+deb11u3
  • every version up to 1.9.5p2-3+deb11u4: fixed in 1.9.5p2-3+deb11u4
—
Debian:12(1)
PackageVulnerable rangeFix by version rangeDependents
sudo1.9.13p3-1, 1.9.13p3-1+deb12u1, 1.9.13p3-1+deb12u2, 1.9.13p3-1+deb12u3
  • every version up to 1.9.13p3-1+deb12u4: fixed in 1.9.13p3-1+deb12u4
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
sudo1.9.16p2-3, 1.9.16p2-3+deb13u1
  • every version up to 1.9.16p2-3+deb13u2: fixed in 1.9.16p2-3+deb13u2
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
sudo1.9.16p2-3 ... 1.9.17p2-4 (7 versions)
  • every version up to 1.9.17p2-5: fixed in 1.9.17p2-5
—

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(6)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 8× in last 7d / 26× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 245 total refreshes for this CVE.

  1. 2026-10-10 02:33 UTCOSV refresh
  2. 2026-10-09 20:07 UTCEPSS rescore
  3. 2026-10-08 17:12 UTCEPSS rescore
  4. 2026-10-07 23:48 UTCEPSS rescore
  5. 2026-10-06 15:17 UTCEPSS rescore
  6. 2026-10-05 17:42 UTCEPSS rescore
  7. 2026-10-04 23:22 UTCEPSS rescore
  8. 2026-10-03 14:25 UTCEPSS rescore
  9. 2026-10-01 19:49 UTCEPSS rescore
  10. 2026-09-30 15:03 UTCEPSS rescore
  11. 2026-09-28 13:51 UTCEPSS rescore
  12. 2026-09-27 13:48 UTCEPSS rescore
  13. 2026-09-26 15:58 UTCEPSS rescore
  14. 2026-09-26 00:26 UTCEPSS rescore
  15. 2026-09-20 20:15 UTCEPSS rescore
  16. 2026-09-20 11:51 UTCOSV refresh
  17. 2026-09-18 19:28 UTCEPSS rescore
  18. 2026-09-18 19:28 UTCEPSS rescore
  19. 2026-09-17 19:30 UTCEPSS rescore
  20. 2026-09-16 14:08 UTCEPSS rescore
  21. 2026-09-16 05:15 UTCEPSS rescore
  22. 2026-09-15 03:11 UTCEPSS rescore
  23. 2026-09-13 16:47 UTCEPSS rescore
  24. 2026-09-12 15:01 UTCEPSS rescore
  25. 2026-09-11 14:53 UTCEPSS rescore
Show 75 more
  1. 2026-09-11 09:37 UTCEPSS rescore
  2. 2026-09-10 09:34 UTCEPSS rescore
  3. 2026-09-08 22:00 UTCEPSS rescore
  4. 2026-09-07 16:01 UTCEPSS rescore
  5. 2026-09-06 13:47 UTCEPSS rescore
  6. 2026-09-04 05:06 UTCEPSS rescore
  7. 2026-09-02 14:12 UTCEPSS rescore
  8. 2026-09-01 13:53 UTCEPSS rescore
  9. 2026-09-01 13:51 UTCVendor advisory
  10. 2026-09-01 13:50 UTCGHSA enrichment
  11. 2026-09-01 12:23 UTCEG score recompute
  12. 2026-09-01 12:23 UTCVendor advisory
  13. 2026-09-01 12:23 UTCGHSA enrichment
  14. 2026-08-30 19:17 UTCEPSS rescore
  15. 2026-08-30 01:22 UTCEPSS rescore
  16. 2026-08-28 21:41 UTCEPSS rescore
  17. 2026-08-27 14:25 UTCEPSS rescore
  18. 2026-08-26 14:46 UTCEPSS rescore
  19. 2026-08-25 13:49 UTCEPSS rescore
  20. 2026-08-25 13:25 UTCVendor advisory
  21. 2026-08-25 13:25 UTCGHSA enrichment
  22. 2026-08-25 12:22 UTCEG score recompute
  23. 2026-08-25 12:22 UTCVendor advisory
  24. 2026-08-25 12:22 UTCGHSA enrichment
  25. 2026-08-23 00:19 UTCEPSS rescore
  26. 2026-08-21 23:49 UTCEPSS rescore
  27. 2026-08-21 12:32 UTCEG score recompute
  28. 2026-08-21 12:32 UTCVendor advisory
  29. 2026-08-21 12:32 UTCGHSA enrichment
  30. 2026-08-20 22:55 UTCEPSS rescore
  31. 2026-08-19 17:03 UTCEPSS rescore
  32. 2026-08-17 13:47 UTCEPSS rescore
  33. 2026-08-16 14:56 UTCEPSS rescore
  34. 2026-08-16 09:19 UTCEG score recompute
  35. 2026-08-16 09:19 UTCVendor advisory
  36. 2026-08-16 09:19 UTCGHSA enrichment
  37. 2026-08-16 02:14 UTCEPSS rescore
  38. 2026-08-15 01:30 UTCEPSS rescore
  39. 2026-08-14 18:52 UTCVendor advisory
  40. 2026-08-14 18:52 UTCGHSA enrichment
  41. 2026-08-14 05:45 UTCEG score recompute
  42. 2026-08-14 05:45 UTCVendor advisory
  43. 2026-08-14 05:45 UTCGHSA enrichment
  44. 2026-08-13 22:00 UTCEPSS rescore
  45. 2026-08-13 09:57 UTCVendor advisory
  46. 2026-08-13 09:56 UTCGHSA enrichment
  47. 2026-08-12 20:00 UTCEG score recompute
  48. 2026-08-12 20:00 UTCVendor advisory
  49. 2026-08-12 20:00 UTCGHSA enrichment
  50. 2026-08-12 13:50 UTCEPSS rescore
  51. 2026-08-11 20:26 UTCEG score recompute
  52. 2026-08-11 20:26 UTCVendor advisory
  53. 2026-08-11 20:26 UTCGHSA enrichment
  54. 2026-08-11 03:27 UTCEG score recompute
  55. 2026-08-11 03:27 UTCVendor advisory
  56. 2026-08-11 03:27 UTCGHSA enrichment
  57. 2026-08-11 00:00 UTCEPSS rescore
  58. 2026-08-10 04:20 UTCVendor advisory
  59. 2026-08-10 04:20 UTCGHSA enrichment
  60. 2026-08-09 16:49 UTCEG score recompute
  61. 2026-08-09 16:49 UTCVendor advisory
  62. 2026-08-09 16:49 UTCGHSA enrichment
  63. 2026-08-09 13:46 UTCEPSS rescore
  64. 2026-08-09 05:17 UTCEG score recompute
  65. 2026-08-09 05:17 UTCVendor advisory
  66. 2026-08-09 05:17 UTCGHSA enrichment
  67. 2026-08-08 16:37 UTCEPSS rescore
  68. 2026-08-08 02:55 UTCEG score recompute
  69. 2026-08-08 02:55 UTCVendor advisory
  70. 2026-08-08 02:55 UTCGHSA enrichment
  71. 2026-08-07 15:24 UTCEG score recompute
  72. 2026-08-07 15:24 UTCVendor advisory
  73. 2026-08-07 15:24 UTCGHSA enrichment
  74. 2026-08-06 13:46 UTCEPSS rescore
  75. 2026-08-06 13:16 UTCVendor advisory

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-35535?
CVE-2026-35535 is a high vulnerability published on April 3, 2026. In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the mailer, is not a fatal error and can lead to privilege escalation.
When was CVE-2026-35535 disclosed?
CVE-2026-35535 was first published on April 3, 2026, with the most recent update on September 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-35535 actively exploited?
CVE-2026-35535 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.2% probability of exploitation in the next 30 days (6th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-35535?
CVE-2026-35535 has a CVSS v3 base score of 7.8 (NVD).
How do I remediate CVE-2026-35535?
A fix for CVE-2026-35535 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-35535 are linked in the Vendor Advisories panel on this page.

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